Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7162031 | Method and device for cryptographically processing data | Gerrit Roelofsen, Dirk Jan Jacobus Van Bruchem, Frank Muller | 2007-01-09 |
| 6076073 | Method of debiting an electronic payment means | Rob Pieterse | 2000-06-13 |
| 6052783 | Method of loading commands in the security module of a terminal | Jacobus T. W. Quak, Frank Muller | 2000-04-18 |
| 5907832 | Method of debiting an electronic payment means | Rob Pieterse | 1999-05-25 |